CMI - SEA

$473 Find Cheap Flights from Champaign to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$494
Typical prices: $404-$561
American Airlines
Sun 11/11Thu 11/15
CMI - SEA • 1 stop
When to travel
October
Cheapest • 29% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $480 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 8h 17m (one-way)
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Insights
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Flight Deals

Cheap Flights from Champaign to Seattle (CMI-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Champaign to Seattle

Wed, Nov 11 - Sun, Nov 15
American Airlines Logo
6:50 pm - 12:35 amCMI  Champaign University-Willard-SEA Seattle/Tacoma Intl
7h 45m1 stop Chicago O'Hare Intl
American Airlines Logo
5:10 am - 2:02 pmSEA  Seattle/Tacoma Intl-CMI Champaign University-Willard
6h 52m1 stop Dallas/Fort Worth
$494American Airlines
Sat, Dec 19 - Sat, Jan 16
American Airlines Logo
6:43 pm - 11:47 pmCMI  Champaign University-Willard-SEA Seattle/Tacoma Intl
7h 04m1 stop Chicago O'Hare Intl
American Airlines Logo
10:25 am - 8:34 pmSEA  Seattle/Tacoma Intl-CMI Champaign University-Willard
8h 09m1 stop Chicago O'Hare Intl
$524American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
2:32 pm - 10:11 pmCMI  Champaign University-Willard-SEA Seattle/Tacoma Intl
9h 39m1 stop Dallas/Fort Worth
American Airlines Logo
12:47 pm - 10:02 pmSEA  Seattle/Tacoma Intl-CMI Champaign University-Willard
7h 15m1 stop Dallas/Fort Worth
$558American Airlines
Fri, Oct 16 - Fri, Oct 23
American Airlines Logo
7:03 pm - 12:36 amCMI  Champaign University-Willard-SEA Seattle/Tacoma Intl
7h 33m1 stop Chicago O'Hare Intl
American Airlines Logo
12:04 pm - 10:03 pmSEA  Seattle/Tacoma Intl-CMI Champaign University-Willard
7h 59m1 stop Dallas/Fort Worth
$558American Airlines
Fri, Oct 2 - Tue, Oct 6
American Airlines Logo
1:23 pm - 9:36 pmCMI  Champaign University-Willard-SEA Seattle/Tacoma Intl
10h 13m1 stop Chicago O'Hare Intl
American Airlines Logo
10:31 am - 8:25 pmSEA  Seattle/Tacoma Intl-CMI Champaign University-Willard
7h 54m1 stop Chicago O'Hare Intl
$580American Airlines
Thu, Oct 8 - Mon, Oct 12
American Airlines Logo
6:48 pm - 12:36 amCMI  Champaign University-Willard-SEA Seattle/Tacoma Intl
7h 48m1 stop Chicago O'Hare Intl
American Airlines Logo
5:00 am - 2:07 pmSEA  Seattle/Tacoma Intl-CMI Champaign University-Willard
7h 07m1 stop Dallas/Fort Worth
$650American Airlines
Booking Insights

Price, demand and travel trends for Champaign to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Champaign to Seattle with more confidence.

How much is a round-trip flight from Champaign to Seattle?

Round-trip flights from Champaign to Seattle start at $494. Prices are typical for this route right now, with typical round-trip fares ranging from $404 to $561. The lowest price found in the past 5 days was $494 on American Airlines.

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Key details for Champaign to Seattle flights

Low season

March
Best time to beat the crowds but there is an average 114% increase in price.
Most popular time to fly and prices are also 5% lower on average.

When to book flights from Champaign to Seattle

Are your dates flexible? Find out the best times to travel from Champaign to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Champaign to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Champaign to Seattle?

    Flights from Champaign to Seattle usually depart from Champaign University-Willard (CMI) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from Champaign to Seattle?

    Only Economy Class is available on flights from Champaign to Seattle.

  • Which airports do connecting flights from Champaign to Seattle pass through?

    Connecting flights from Champaign to Seattle most commonly pass through:

    • Chicago O'Hare Intl (ORD) - 65% of one-stop connections
    • Dallas/Fort Worth (DFW) - 35% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Champaign to Seattle?

    On the Champaign to Seattle route, being flexible with your departure day can save you up to 39%. Saturday is the cheapest day at $338 round-trip on average, while Friday is the most expensive at $546: a $208 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Champaign to Seattle?

    There are currently no nonstop flights available from Champaign to Seattle. Flights with 1 layover take between 7h 14m and 8h 17m in total, depending on the connection.

  • Do I need a passport to fly from Champaign to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Champaign to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $494 to $2,337. That means the highest observed fare was about 5x higher than the lowest one.

  • How much time can I save by choosing a different layover airport from Champaign to Seattle?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 7h 14m, compared with 8h 17m via Dallas/Fort Worth (DFW).

  • What is the time difference between Champaign and Seattle?

    Seattle is 2 hours behind Champaign (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a Champaign to Seattle flight?

    Round-trip flights from Champaign to Seattle range from $404 to $561, with an average of $476 over the past 12 months. Anything below $404 counts as a good deal.

Your guide to booking Champaign to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Friday. On this route, Saturday flights average $338 - about $208 less than Friday (38% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Champaign to Seattle trip for October. Fares historically average $338 round-trip in that month - typically $1,009 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Champaign to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
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